In depth comparison and review of Lenovo Legion S7 15ACH6 (82K8) and Acer Predator Helios 18 (PH18). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo Legion S7 15ACH6 (82K8) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
slim lightweight design
high refresh rate screen
efficient thermal management
solid build quality
average battery life
limited port selection
no webcam included
higher price point
Advantages and disadvantages of Acer Predator Helios 18 (PH18) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vibrant large display
advanced cooling system
expandable storage options
high-quality speakers
heavier than competitors
short battery life
expensive base model
limited port selection
| DESIGN AND DIMENSIONS | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.2 cm x 1.89 cm | 40.4 cm x 31.16 cm x 2.915 cm |
| Weight | 1.9 kg | 3.4 kg |
| Case Material | Aluminum | Anodised aluminium |
| Colour | Shadow black | Abyssal black |
| DISPLAY | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Screen Size (Type) | 15.6" - IPS | 18" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1440 (WQHD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | 165 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 500 cd/m² |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | Anti-glare, NVIDIA G-SYNC compatible, FreeSync Technology, 178° viewing angle, DC dimmer, Dolby Vision | Anti-glare, matte, ComfyView, Acer BluelightShield technology, Narrow Border Display, 9 ms response rate, Dynamic Display Switching (DDS) |
| PROCESSOR | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| CPU | AMD Ryzen 7 5800H / 3.2 GHz | Intel Core i9 (13th Gen) 13900HX / 2.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 5.4 GHz |
| Number of Cores | 8-core | 24-core |
| Cache | L3 - 16 MB | L3 - 36 MB |
| Chipset | - | Intel HM770 |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 24 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 5600 MHz |
| Rated Speed | 3200 MHz | 5600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe - NVM Express (NVMe) - Micron |
|---|
| AUDIO & VIDEO | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 / AMD Radeon Graphics | NVIDIA GeForce RTX 4080 / Intel UHD Graphics |
| Max Monitors Supported | 2 external monitor(s) | - |
| Video Memory | 6 GB GDDR6 SDRAM | 12 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 | Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - Full HD |
| Camera Features | Privacy shutter, fixed focus | Temporal Noise Reduction |
| Sound | Harman/kardon stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3306 | - |
| Compliant Standards | High Definition Audio, Dolby Atmos | DTS:X |
| Audio Features | Smart Amp, Nahimic audio | - |
| VR Ready | Yes | - |
| COMMUNICATIONS | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 - M.2 Card | Killer Wi-Fi 6E AX1675i - M.2 2230 (CNVi) |
| Network Interface | - | Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 71 Wh | 90 Wh |
| Battery Life | Up to 7.8 hours | - |
| AC ADAPTER | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 230 Watt | 330 Watt, 19.5 V, 16.9 A |
| INPUT | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, glass touchpad | Multi-gesture touch pad, precision touchpad, Acer PredatorSense, per-key RGB |
| CONNECTIONS & EXPANSIONS | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 2 USB 3.2 Gen 2 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) Headphone/microphone combo jack |
HDMI 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 USB 3.2 Gen 2 (with power off charging) LAN USB 3.2 Gen 1 Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo Legion S7 15ACH6 (82K8) | Acer Predator Helios 18 (PH18) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, 100W power delivery, Rapid Charge Express | Administrator password, system password, 5th Gen AeroBlade 3D fan technology |
| Compliant Standards | Energy-Related Products (ErP) Lot 3 | - |
| SAR Value | - | 0.832 W/kg (body), 0.832 W/kg (head), 0.832 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | 71 |
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